Matthew Sakumoto
NPI 1053700807 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Sakumoto is a Internal Medicine Physician provider in San Francisco, CA (NPI 1053700807).
Provider details
- NPI number
- 1053700807
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
244 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $154 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 48 | $19 |
| Assessment of Emotional Or Behavioral Problems96127 | 41 | $6 |
| Advance Care Planning, First 30 Minutes99497 | 25 | $95 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 22 | $157 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 22 |
| Amlodipine Besylate | 31 | 15 |
| Lisinopril | 30 | — |
| Losartan Potassium | 27 | 12 |
| Gabapentin | 25 | — |
| Bupropion Hclbrand: Bupropion Xl | 25 | — |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$108 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4077 Fifth AveMer35San Diego, CA 92103-2105Phone: (619) 260-7220
Registry dates
- Enumerated
- 2015-01-16
- Last updated
- 2020-07-02
- Certified
- 2020-07-02
Frequently asked questions
- What is Matthew Sakumoto's NPI number?
- Matthew Sakumoto's National Provider Identifier (NPI) is 1053700807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Sakumoto's specialty?
- Matthew Sakumoto is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Sakumoto located?
- Matthew Sakumoto's practice location on file with NPPES is 533 Parnassus Ave Rm U125, San Francisco, CA 94143.
- What is Matthew Sakumoto's phone number?
- The practice phone number listed in the NPPES registry for Matthew Sakumoto is (415) 514-4539.
- Does Matthew Sakumoto accept Medicare?
- Matthew Sakumoto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Sakumoto's NPI active?
- Yes — Matthew Sakumoto's NPI (1053700807) is active in the NPPES registry as of the last update on 2020-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.